<template>
  <view>
    <view class="goods-list">
      <view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
        <my-goods :goods="goods"></my-goods>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 请求参数对象
        queryObj: {
          query: '',
          cid: '',
          pagenum: 1,
          pagesize: 10
        },
        goodsList: [],
        total: 0,
        // 节流阀
        loading: false
      }
    },
    onLoad(options) {
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''
      this.getGoodsList()
    },
    methods: {
      // 获取商品列表数据的方法
      async getGoodsList(cb) {
        this.loading = true
        // 打开节流阀
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
         // 关闭节流阀
        this.loading = false
       cb&&cb()
        if (res.meta.status !== 200) return uni.$showMsg()
        this.goodsList = [...this.goodsList, ...res.message.goods]
        // this.goodsList = res.message.goods
        this.total = res.message.total
      },
      gotoDetail(goods){
        uni.navigateTo({
          url:'/subpkg/goods_detail/goods_detail?goods_id='+goods.goods_id
        })
      }
    },

    onReachBottom() {
      // 判断是否还有下一页数据
      if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕！')
      if (this.loading) return
      // 让页码值自增加一
      this.queryObj.pagenum++
      this.getGoodsList()
    },
    onPullDownRefresh() {

      // 重置关键数据
      this.queryObj.pagenum = 1
      this.tatal = 0
      this.loading = false
      this.goodsList = []
      // 重新发起数据请求
      this.getGoodsList(()=>uni.stopPullDownRefresh())
    }
  }
</script>
<style lang="scss">

</style>
